| Acronym | Meaning |
| DTF3.1 | Same As DTF3 |
| ARMAR | Airborne Rain Mapping Radar |
| NCAR/UCAR | National Center For Atmospheric Research |
| ITC | Information Technology Council |
| IFD | Indirect Flare Detector |
| GDP | Government Development Platforms |
| AWC | Aviation Weather Center |
| NHRE | National Hail Research Experiment |
| APLJHU | Applied Physics Laboratory John Hopkins University |
| ADEPT | Alexandria Digital Earth Prototype |